| Acronym | Definition |
|---|
| NSE | National Stock Exchange (of India Ltd) |
| NSE | Nigerian Stock Exchange |
| NSE | Nairobi Stock Exchange |
| NSE | National Stock Exchange (Lithuania) |
| NSE | neuron-specific enolase |
| NSE | Nanoscale Science and Engineering |
| NSE | National Society for Epilepsy |
| NSE | Needle and Syringe Exchange (HIV protection) |
| NSE | Naval Station Everett (Everett, WA) |
| NSE | Nucleus Software Exports Ltd. (India) |
| NSE | Nu Skin Enterprises (Provo, UT) |
| NSE | Network Support Encyclopedia |
| NSE | Network Software Environment |
| NSE | Network Services Engine |
| NSE | Named Signaling Event |
| NSE | Negative Stuff Event |
| NSE | Network Storage Executive |
| NSE | Network Services Engine (Cisco) |
| NSE | National Support Element |
| NSE | Nagoya Stock Exchange |
| NSE | Network Search Engine |
| NSE | Nigerian Society of Engineers (Abuja, Nigeria) |
| NSE | Nonprofit Social Enterprise (model) |
| NSE | Network Southeast (UK) |
| NSE | Neutron Spin Echo |
| NSE | Not Soon Enough |
| NSE | Nuclear Safety Evaluation (various locations) |
| NSE | Nippon Steel Engineering (Japan) |
| NSE | North South Expressway |
| NSE | Not Substantially Equivalent (FDA) |
| NSE | Neutral Stream Etch |
| NSE | Namespace Extension (Microsoft Windows Shell) |
| NSE | Naval Support Element |
| NSE | Network Storage Executive (Veritas) |
| NSE | Network Service Entity (GPRS) |
| NSE | Network Services Engineer |
| NSE | Naval Shore Establishment |
| NSE | Network Simulations Engineer |
| NSE | Network State Evolution |
| NSE | No Stuff Einstein (polite form) |
| NSE | Non-Deployed Shorebased Equipment (Navy) |
| NSE | Network Switching Element (Bellcore) |
| NSE | Noise Spectral Estimator |
| NSE | Network System Engineering Group (MCI) |
| NSE | Networking Systems Engineer |
| NSE | NCOIC Standardization and Evaluation |
| NSE | Nuance Security Engine (software) |